National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Light Snow

11°F

-12°C

Humidity 73%
Wind Speed NW 13 G 23 mph
Barometer 29.91 in (1013.1 mb)
Dewpoint 4°F (-16°C)
Visibility 3.00 mi
Wind Chill-4°F (-20°C)
Last update 8 Feb 9:56 am EST
Extended Forecast for

South Dennis MA

Cold Weather Advisory February 8, 10:30am until February 8, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 8, 10:30am until February 8, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • Today

    High: 21 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 28. Northwest wind 10 to 15 mph.

    High: 28 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 5 to 9 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of snow after 4pm. Partly sunny, with a high near 33. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 25. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 8am. Partly sunny, with a high near 35. West wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 21. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 13. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 28. Northwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 5 to 9 mph.
Tuesday
A slight chance of snow after 4pm. Partly sunny, with a high near 33. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A chance of snow before 8am. Partly sunny, with a high near 35. West wind 5 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 6 mph.
Thursday
Partly sunny, with a high near 33. Northwest wind 7 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 24. Northwest wind around 6 mph.
Friday
Partly sunny, with a high near 34. North wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 24. North wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 35. Northwest wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
6:18 am EST Feb 8, 2026
Forecast Valid:
10am EST Feb 8, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation